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GB202204055D0 - Multi-level envelope tracking systems with separate dc and ac paths - Google Patents

Multi-level envelope tracking systems with separate dc and ac paths

Info

Publication number
GB202204055D0
GB202204055D0 GBGB2204055.4A GB202204055A GB202204055D0 GB 202204055 D0 GB202204055 D0 GB 202204055D0 GB 202204055 A GB202204055 A GB 202204055A GB 202204055 D0 GB202204055 D0 GB 202204055D0
Authority
GB
United Kingdom
Prior art keywords
paths
separate
tracking systems
envelope tracking
level envelope
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB2204055.4A
Other versions
GB2602594A (en
GB2602594B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skyworks Solutions Inc
Original Assignee
Skyworks Solutions Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skyworks Solutions Inc filed Critical Skyworks Solutions Inc
Priority to GB2319568.8A priority Critical patent/GB2622518B/en
Publication of GB202204055D0 publication Critical patent/GB202204055D0/en
Publication of GB2602594A publication Critical patent/GB2602594A/en
Application granted granted Critical
Publication of GB2602594B publication Critical patent/GB2602594B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216Continuous control
    • H03F1/0222Continuous control by using a signal derived from the input signal
    • H03F1/0227Continuous control by using a signal derived from the input signal using supply converters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/195High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/102A non-specified detector of a signal envelope being used in an amplifying circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/111Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/168Two amplifying stages are coupled by means of a filter circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/171A filter circuit coupled to the output of an amplifier
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/336A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/451Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7209Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched from a first band to a second band

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
GB2204055.4A 2019-09-27 2020-09-23 Multi-level envelope tracking systems with separate DC and AC paths Active GB2602594B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2319568.8A GB2622518B (en) 2019-09-27 2020-09-23 Multi-level envelope tracking systems with separate DC and AC paths

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962907120P 2019-09-27 2019-09-27
PCT/US2020/052329 WO2021061864A1 (en) 2019-09-27 2020-09-23 Multi-level envelope tracking systems with separate dc and ac paths

Publications (3)

Publication Number Publication Date
GB202204055D0 true GB202204055D0 (en) 2022-05-04
GB2602594A GB2602594A (en) 2022-07-06
GB2602594B GB2602594B (en) 2024-04-03

Family

ID=75162583

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2319568.8A Active GB2622518B (en) 2019-09-27 2020-09-23 Multi-level envelope tracking systems with separate DC and AC paths
GB2204055.4A Active GB2602594B (en) 2019-09-27 2020-09-23 Multi-level envelope tracking systems with separate DC and AC paths

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2319568.8A Active GB2622518B (en) 2019-09-27 2020-09-23 Multi-level envelope tracking systems with separate DC and AC paths

Country Status (7)

Country Link
US (3) US11223323B2 (en)
JP (3) JP7508548B2 (en)
KR (1) KR102901821B1 (en)
CN (1) CN114514696A (en)
DE (1) DE112020004006T5 (en)
GB (2) GB2622518B (en)
WO (1) WO2021061864A1 (en)

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Also Published As

Publication number Publication date
GB2602594A (en) 2022-07-06
US12334873B2 (en) 2025-06-17
JP7622286B2 (en) 2025-01-27
GB202319568D0 (en) 2024-01-31
US20210099134A1 (en) 2021-04-01
CN114514696A (en) 2022-05-17
GB2602594B (en) 2024-04-03
US11996806B2 (en) 2024-05-28
US11223323B2 (en) 2022-01-11
KR20220064976A (en) 2022-05-19
JP7508548B2 (en) 2024-07-01
JP2025066753A (en) 2025-04-23
JP2022549857A (en) 2022-11-29
DE112020004006T5 (en) 2022-05-12
GB2622518B (en) 2024-09-11
US20220085764A1 (en) 2022-03-17
US20240275334A1 (en) 2024-08-15
JP2024125337A (en) 2024-09-18
KR102901821B1 (en) 2025-12-19
GB2622518A (en) 2024-03-20
WO2021061864A1 (en) 2021-04-01

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